Base | Representation |
---|---|
bin | 100111011011011… |
… | …1101100111101111 |
3 | 10102012111221101000 |
4 | 1032312331213233 |
5 | 10202143443043 |
6 | 335141051343 |
7 | 44533402206 |
oct | 11666754757 |
9 | 3365457330 |
10 | 1323031023 |
11 | 6198a8876 |
12 | 30b0b6b53 |
13 | 18113cbc2 |
14 | c79d823d |
15 | 7b23e2d3 |
hex | 4edbd9ef |
1323031023 has 8 divisors (see below), whose sum is σ = 1960046000. Its totient is φ = 882020664.
The previous prime is 1323030937. The next prime is 1323031079. The reversal of 1323031023 is 3201303231.
It is not a de Polignac number, because 1323031023 - 28 = 1323030767 is a prime.
It is a super-2 number, since 2×13230310232 = 3500822175640853058, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1323030987 and 1323031005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1323032023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24500548 + ... + 24500601.
It is an arithmetic number, because the mean of its divisors is an integer number (245005750).
Almost surely, 21323031023 is an apocalyptic number.
1323031023 is a deficient number, since it is larger than the sum of its proper divisors (637014977).
1323031023 is an equidigital number, since it uses as much as digits as its factorization.
1323031023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49001158 (or 49001152 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 1323031023 is about 36373.4934120989. The cubic root of 1323031023 is about 1097.8002936383.
Adding to 1323031023 its reverse (3201303231), we get a palindrome (4524334254).
It can be divided in two parts, 13230 and 31023, that added together give a triangular number (44253 = T297).
The spelling of 1323031023 in words is "one billion, three hundred twenty-three million, thirty-one thousand, twenty-three".
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